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Plant reproduction (Main processes in sexual reproduction (Pollination,…
Plant reproduction
Main processes in sexual reproduction
Pollination
Fertilisation
Dispersal
Germination
Characteristics of seeds/fruits
Dispersed by wind
Dry,light,have wing-like structures
Dispersed by water
have fibrous husks
Dispersed by animals
seeds are hard,have hook-like structures
fruits are juicy,fragrant,sweet or brightly coloured fruit
Dispersed by explosive action
have fruits walls that split open with sudden force
Germination
It is the first stage in the development of a plant from a seed.
Conditions for germination
Water
Oxygen
Warmth
When a root grows out of a seed,it shows that the seed has germinated.
Seed dispersal
seeds needs to be dispersed or scattered away from the parent plants
to prevent overcrowding and competition for nutrients,sunlight, space and water
Types of seed dispersal methods
by animals
by wind
by water
by explosive action